Cannula



FIG. 1 is a perspective opened view of a cannula, showing the presentdesign;

FIG. 2 is a top opened view of the present design;

FIG. 3 is a bottom opened view of the present design;

FIG. 4 is a left side opened view of the present design;

FIG. 5 is a front opened view of the present design;

FIG. 6 is a rear opened view of the present design; and,

FIG. 7 is a perspective closed view of the cannula of FIG. 1.

The broken lines shown in the figures depict portions of the cannulathat form no part of the claimed design.

CLAIM The ornamental design for a cannula, as shown and described.